[OpenWrt Wiki] DDNS client
https://openwrt.org/docs/guide-user/services/ddns/client15.01.2022 · Normally no user actions are required because ddns-scripts starts when hotplug ifup event happens. This will happen automatically at system startup when the named interface comes up. Event ifup also happens when a dialup network comes up.ddns-scripts regularly check if there is a difference between your IP address at DNS and your interface. If different an …
No-IP.com Client - DD-WRT Wiki
https://wiki.dd-wrt.com/wiki/index.php/No-IP.com_DDNS_ClientThere are a few DDNS services already integrated into the web interface for DD-WRT, but my favorite, NO-IP isn't one of them. (update: every version > DD-WRT v23 SP2 has it onboard by default.)While I could easily run No-IP.com's Dynamic Update Client to keep my domain name in sync with my WAN IP address one of my desktop machines, I'd much rather have it running on …